Class query.RankingList 
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Class query.RankingList 

java.lang.Object
   |
   +----query.ExpNode
           |
           +----query.RankingList
public class RankingList
extends ExpNode
implements STARTSnode, RankingNode
An Expnode that represents a Ranking List node in a STARTS ranking expression. RankingList nodes have a variable number of children and no properties.

Constructor Index

o RankingList(Query)
Contruct a new ranking list node.

Method Index

o Check()
Return a new sub-tree that is the result of checking (for both semantic sanity and source support) the sub-tree that descends from this RankingList node.
o ExtractTerms(Vector)
Recurse from this sub-tree to extract the terms in the sub-tree
o TranslateToRanking()
Return the sub-tree that represents the source-specific translation of this ranking list sub-tree
o Unparse()
Return the string representation of the sub-tree descending from this ranking list node

Constructors

o RankingList 
  public RankingList(Query query)
Contruct a new ranking list node.

Methods

o Unparse 
  public String Unparse()
Return the string representation of the sub-tree descending from this ranking list node
Returns:
the String equivalent of this RankingList sub-tree
Overrides:
Unparse in class ExpNode
o Check 
  public ExpNode Check() throws UnsupportedQueryException
Return a new sub-tree that is the result of checking (for both semantic sanity and source support) the sub-tree that descends from this RankingList node.
Returns:
the subtree tht is the result of the check operation.
Throws: UnsupportedQueryException
if the RankingList subtree contains semantic errors
o TranslateToRanking 
  public ExpNode TranslateToRanking() throws SourceQueryException
Return the sub-tree that represents the source-specific translation of this ranking list sub-tree
Returns:
a sub-tree that is the source translated ranking equivalent of this RankingList sub-tree
o ExtractTerms 
  public void ExtractTerms(Vector rankingTerms)
Recurse from this sub-tree to extract the terms in the sub-tree
Parameters:
rankingTerms - The vector of terms. 
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